209219673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 308883456

約数和(自身を除く): 99663783

約数列:

[1, 3, 13, 39, 53, 127, 159, 381, 689, 797, 1651, 2067, 2391, 4953, 6731, 10361, 20193, 31083, 42241, 87503, 101219, 126723, 262509, 303657, 549133, 1315847, 1647399, 3947541, 5364607, 16093821, 69739891, 209219673]

約数ペア:

[(1, 209219673), (3, 69739891), (13, 16093821), (39, 5364607), (53, 3947541), (127, 1647399), (159, 1315847), (381, 549133), (689, 303657), (797, 262509), (1651, 126723), (2067, 101219), (2391, 87503), (4953, 42241), (6731, 31083), (10361, 20193)]